Home / 122,528,974.86-169,093,528.83-67,528,374.30

Finding the Fourth Proportional to 122,528,974.86, 169,093,528.83 and 67,528,374.30

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Solution

The fourth proportional to 122,528,974.86, 169,093,528.83 and 67,528,374.30 is: 93,191,109.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,528,974.86 : 169,093,528.83 = 67,528,374.30 : x
  2. Step 2: Convert to fraction form
    122,528,974.86/169,093,528.83 = 67,528,374.30/x
  3. Step 3: Cross multiply
    122,528,974.86x = 169,093,528.83 × 67,528,374.30
  4. Step 4: Simplify right side
    122,528,974.86x = 11,418,611,106,540,082
  5. Step 5: Solve for x
    x = 11,418,611,106,540,082/122,528,974.86
  6. Step 6: Final answer
    x = 93,191,109.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.